CPX1514 Features: * Duty air impact wrench * Patented spring hammer clutch provides smooth operation and extreme durability * Comfort and control with new ergonomic grip and trigger * Wrench is the right tool for general automotive service, body shop, farm and light truck work * Drive: 1/2"" * Average air consumption: 4.75 CFM * CFM at load: 19 * Speed - No load (RPM): 6900 * Maximum torque: 550 ft-lb * Working torque: 25-400 ft-lb * Inlet size: 1/4"" * Minimum hose size: 3/8"" * Blows per minute: 1300 Dimensions: * Tool length: 7.13"" * Dimensions: 3.8"" H x 8.7"" W x 8.9"" D